# UIMEVA Evaluation Kits — CM Series > Ready-to-use evaluation kits for UIROBOT's CAN bus smart servo stepper motor systems. Each kit includes motors, gateway, power supply, cables, and software for rapid prototyping. --- ## Overview The UIMEVA Evaluation Kits are designed to help users quickly build and evaluate the performance of UIROBOT servo stepper motors. Each kit includes everything needed to get started — motors with integrated controllers, a gateway for PC communication, power supply, cables, and free control software. --- ## Kit Lineup | Kit | Motor Size | Controller | Motor Models | Supply Voltage | |-----|-----------|------------|--------------|----------------| | **UIMEVA 342SKIT** | NEMA 8 / NEMA 11 | UIM342S / UIM342XS | UIM2040CM / UIM2852CM | 16–24 VDC | | **UIMEVA 342LKIT** | NEMA 17 / NEMA 23 | UIM342C | UIM4247CM / UIM5756CM | 24–48 VDC | | **UIMEVA 342KIT** | NEMA 8 / NEMA 17 | UIM342XS / UIM342C | UIM2040CM / UIM4247CM | 24–48 VDC | --- ## UIMEVA 342SKIT — Small Kit Ideal for applications requiring compact, precise motion in tight spaces. ### Kit Contents | Item | Quantity | Description | |------|----------|-------------| | UIM2040CM | 1 | NEMA 8 servo stepper motor (with UIM342XS controller) | | UIM2852CM | 1 | NEMA 11 servo stepper motor (with UIM342S controller) | | UIM2513 | 1 | RS232-CAN gateway | | Power Supply | 1 | 24VDC / 3A | | USB-232 Cable | 1 | RS232 to USB adapter | | Terminal Block | 2 | Fence terminal block | | I/O Board | 1 | UIM342 I/O expansion board | | Cables | 1 set | Complete cable set |  ### Motor Specifications | Parameter | UIM2040CM (NEMA 8) | UIM2852CM (NEMA 11) | |-----------|-------------------|---------------------| | Frame Size | 20 mm | 28 mm | | Holding Torque | 0.038 N·m | 0.16 N·m | | Rotor Inertia | 2.9 g/cm² | 18 g/cm² | | Rated Current | 0.6 A | 0.8 A | | Supply Voltage | 16–24 VDC | 16–24 VDC | | Encoder | Incremental | Incremental | | Weight | 83 g | 218 g | --- ## UIMEVA 342LKIT — Large Kit Ideal for applications requiring higher torque and larger motor frames. ### Kit Contents | Item | Quantity | Description | |------|----------|-------------| | UIM4247CM | 1 | NEMA 17 servo stepper motor (with UIM342C controller) | | UIM5756CM | 1 | NEMA 23 servo stepper motor (with UIM342C controller) | | UIM2513 | 1 | RS232-CAN gateway | | Power Supply | 1 | 24VDC / 3A | | USB-232 Cable | 1 | RS232 to USB adapter | | Terminal Block | 2 | Fence terminal block | | I/O Board | 1 | UIM34  2 I/O expansion board | | Cables | 1 set | Complete cable set | ### Motor Specifications | Parameter | UIM4247CM (NEMA 17) | UIM5756CM (NEMA 23) | |-----------|---------------------|---------------------| | Frame Size | 42 mm | 57 mm | | Holding Torque | 0.43 N·m | 1.26 N·m | | Rotor Inertia | 75 g/cm² | 300 g/cm² | | Rated Current | 1.68 A | 2.8 A | | Supply Voltage | 24–48 VDC | 24–48 VDC | | Encoder | Incremental | Incremental | | Weight | 418 g | 810 g | --- ## UIMEVA 342KIT — Standard Kit Ideal for general-purpose industrial automation and prototyping. ### Kit Contents | Item | Quantity | Description | |------|----------|-------------| | UIM2040CM | 1 | NEMA 8 servo stepper motor (with UIM342XS controller) | | UIM4247CM | 1 | NEMA 17 servo stepper motor (with UIM342C controller) | | UIM2513 | 1 | RS232-CAN gateway | | Power Supply | 1 | 24VDC / 3A | | USB-232 Cable | 1 | RS232 to USB adapter | | Terminal Block | 2 | Fence terminal block | | I/O Board | 1 | UIM342 I/O expansion board | | Cables | 1 set | Complete cable set |  ### Motor Specifications | Parameter | UIM2040CM (NEMA 8) | UIM4247CM (NEMA 17) | |-----------|---------------------|---------------------| | Frame Size | 20 mm | 42 mm | | Holding Torque | 0.038 N·m | 0.43 N·m | | Rotor Inertia | 2.9 g/cm² | 75 g/cm² | | Rated Current | 0.6 A | 1.68 A | | Supply Voltage | 16–24 VDC | 24–48 VDC | | Encoder | Incremental | Incremental | | Weight | 83 g | 441 g | --- ## Technical Specifications ### Common Specifications | Parameter | Value | |-----------|-------| | Supply Voltage | 24 VDC | | Communication | CAN 2.0B | | Gateway | UIM2513 RS232-CAN | | Software | StepEva3, UIMotionSuite | :::tip For detailed motor specifications, refer to the [CM Series](/docs/cm-series) and [CA Series](/docs/ca-series) product pages. ::: --- ## Wiring Guide ### Basic System Wiring    ### Connection Steps 1. Connect the CAN adapter to your PC via USB 2. Wire the motor's CANH and CANL to the adapter 3. Connect 24V DC power supply 4. Open StepEva3 software to test --- ## Kit Comparison | Feature | 342SKIT | 342LKIT | 342KIT | |---------|---------|---------|--------| | Motor 1 | UIM2040CM (NEMA 8) | UIM4247CM (NEMA 17) | UIM2040CM (NEMA 8) | | Motor 2 | UIM2852CM (NEMA 11) | UIM5756CM (NEMA 23) | UIM4247CM (NEMA 17) | | Controller | UIM342S / UIM342XS | UIM342C | UIM342XS / UIM342C | | Gateway | UIM2513 | UIM2513 | UIM2513 | | Supply Voltage | 16–24 VDC | 24–48 VDC | 24–48 VDC | | Best For | Compact spaces | Medium torque | General purpose | --- ## Common Components ### UIM2513 RS232-CAN Gateway | Parameter | Specification | |-----------|---------------| | Interface | RS232 (DB9 Female) | | CAN Protocol | Active CAN 2.0 | | Max Speed | 1 Mbps | | Isolation | 1500V | | Node ID | Fixed = 3 | | Power | 12–48 VDC | ### Power Supply | Parameter | Specification | |-----------|---------------| | Output | 24 VDC | | Current | 3A minimum | | Connector | DC barrel jack | ### Software Included - **StepEva3** — Windows control panel for motor configuration and control - **uirSDK3** — C++/C# SDK with sample code - **User Manuals** — Complete documentation for all included devices --- ## Quick Start ### Step 1 — Unbox and Connect 1. Connect the UIM2513 gateway to your PC via USB-232 cable 2. Connect the motors' CANH/CANL to the gateway's CAN port 3. Connect the power supply to the gateway 4. **Double-check all wiring before powering on** ### Step 2 — Launch StepEva3 1. Download and run **StepEva3** from the UIROBOT website 2. Select **UIM2513 (RS232-CAN)** gateway 3. Select the COM port 4. Click to connect ### Step 3 — Test Motion 1. Select a motor from the device list 2. Enable the motor (click Offline/Enable button) 3. In JOG mode, set speed and click Begin Motion 4. Verify the motor rotates smoothly ### Step 4 — Explore Features - Configure motor parameters (current, microstepping, acceleration) - Test I/O inputs and outputs - Try PTP position control mode - Experiment with trigger actions --- ## Safety Precautions ### Electrical Safety | Hazard | Precaution | |--------|------------| | High Voltage | Disconnect power before wiring. Use within specified voltage range only. | | Short Circuit | Ensure proper wire gauge and insulation. Install a fuse on the power input line. | | Grounding | Properly ground all devices to a common ground. Strictly prohibit hot-plugging while power is on. | ### Operational Safety | Hazard | Precaution | |--------|------------| | Overheating | Ensure adequate ventilation. Operating temperature: -20°C to +70°C. | | ESD | Use anti-static precautions when handling. Discharge static before touching terminals. | | Mounting | Secure the device firmly. Do not operate with loose mounting. | ### CAN Bus Safety | Hazard | Precaution | |--------|------------| | Termination | Install 120Ω termination resistors at both ends of the CAN bus. | | Hot-Plugging | Strictly prohibit hot-plugging while power is on. May cause device burnout. | | Cable Length | Use twisted pair cable. Keep branch lines under 20 cm for long-distance runs. | ## Applications :::grid{cols=3 style=card} **Prototyping & Evaluation** Quick setup for testing UIROBOT motor systems. Connect hardware, configure parameters, and test motion in minutes without writing code. **Education & Training** Ideal for universities and training centers teaching motion control, robotics, and industrial automation concepts. **System Integration** Evaluate UIROBOT motors before committing to a full production system. Test compatibility with existing equipment and software. ::: --- ## Related Products | Product | Description | |---------|-------------| | UIM342 | CAN bus motion controller (NEMA 23/34) | | UIM342S | Compact CAN controller (NEMA 8/11) | | UIM342C | CAN controller for NEMA 17/23 evaluation kits | | UIM2513 | RS232 to CAN gateway | | UIM2523 | Ethernet to CAN gateway | | UIC320A | USB to CAN 2.0B adapter | --- ## Resources :::tip Download StepEva3, uirSDK3, and product manuals from the [UIROBOT Download Center](https://www.uirobot.com/serve/list-437.html). ::: - 📖 [UIM342 User Manual V6.05 (PDF)](https://www.uirobot.com/uploads/files/Manual_UIM342%20V6.05.pdf) - 📖 [StepEva3 User Manual V4.8 (PDF)](https://www.uirobot.com/uploads/files/Manual_StepEva3%20V4.8.pdf) - 📖 [uirSDK3 User Manual V4.7 (PDF)](https://www.uirobot.com/uploads/files/f30fdec2ef52855e328edf9abcbd1d4e.pdf) --- *Last Updated: 2026-06-23* --- ## Video Tutorial :::video[UIM342L stepper servo evaluation kit suitable for beginners](https://www.youtube.com/watch?v=8Ow7M0aT2ig) ::: :::video[UIM342 Stepper Servo Evaluation Kit: Beginner-friendly, supports NEMA 8/17, RS232-CAN Gateway](https://www.youtube.com/watch?v=ShepBztruBw) ::: :::video[UIM342S stepper servo evaluation kit suitable for beginners](https://www.youtube.com/watch?v=jWwOgXCRkA8) ::: --- *Last updated: 2026-07-01*